[PATCH v3 6/7] spi: s3c64xx: restore removed comments

Michael Turquette mturquette at baylibre.com
Tue Jul 12 11:07:53 PDT 2016


Quoting Andi Shyti (2016-07-11 23:54:04)
> Patch a9e93e8 has erroneously removed some comments which are
> important to understand why the bus frequency is multiplied by
> two during the spi transfer.
> 
> Reword the previous comment to a more appropriate message.
> 
> Suggested-by: Sylwester Nawrocki <s.nawrocki at samsung.com>
> Signed-off-by: Andi Shyti <andi.shyti at samsung.com>
> Reviewed-by: Michael Turquette <mturquette at baylibre.com>
> ---
> Hi,
> 
> despite Mike's comments I'm sending the patch as it was
> originally meant. I think that fixing the exact clk where to set
> the rate should anyway go in a different patch.

That sounds fair.

Regards,
Mike

> 
> V2->V3
> The comment has been reworded as Sylwester recommended.
> 
> Thanks,
> Andi
> 
>  drivers/spi/spi-s3c64xx.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 6da663f..5bedafc 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -639,6 +639,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
>         writel(val, regs + S3C64XX_SPI_MODE_CFG);
>  
>         if (sdd->port_conf->clk_from_cmu) {
> +               /* The src_clk clock is divided internally by 2 */
>                 clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
>         } else {
>                 /* Configure Clock */
> -- 
> 2.8.1
> 



More information about the linux-arm-kernel mailing list